| Solid State Devices | Vacuum tube devices |
| Light and portable | Heavy and bulky |
| Do not produce too much heat nor noise | Produce lots of heat and noise |
| Can be cheaper to make | Expensive to make. |
| Do not require heating elements | Requires heating elements |
| Can operate with dry cells of only a few volts | Need large power supplies to work |
| Less liable to breakage | Very highly prone to breakages |
Do you want to study Agricultural Extension in OOU? Before you apply for the OOU…
Do you want to study Agricultural Economics in OOU? Before you apply for the OOU…
Do you want to study Cooperative and Business Management in OOU? Before you apply for…
Do you want to study Home and Hotel Management in OOU? Before you apply for…
Do you want to study Animal Production in OOU? Before you apply for the OOU…
Do you want to study Crop Production in OOU? Before you apply for the OOU…